Endúr ASA – Mandatory notification of trade

Einar Olsen, CFO and primary insider of Endúr ASA ("Endúr"), has through his wholly owned company Red Devil Holding AS on 17 November 2025 purchased 1,500 shares in Endúr at a price of NOK 86.00 per share. Following the transaction, Einar Olsen and his close associate holds 92,000 shares and 450,000 share options in Endúr.

See the enclosed form for further details about the transactions.

This information is subject to the disclosure requirements pursuant to the Market Abuse Regulation (EU) 596/2014 (MAR) article 19 number 3 and section 5-12 of the Norwegian Securities Trading Act.

For further information, please contact:

Media – Jeppe Raaholt, CEO of Endúr, tel.: +47 976 69 759 Investors – Einar Olsen, CFO of Endúr, tel.: +47 924 01 787

About Endúr ASA Endúr ASA (OSE: ENDUR) is a leading supplier of construction and maintenance projects and services for marine infrastructure, including facilities for land-based aquaculture, quays, harbours, dams, bridges and other specialised concrete and steel projects. The company and its subsidiaries also offer a wide range of other specialised project and marine services. Endúr ASA is headquartered in Lysaker, Norway. See www.endur.no.